136240553 has 2 divisors, whose sum is σ = 136240554. Its totient is φ = 136240552.

The previous prime is 136240513. The next prime is 136240589. The reversal of 136240553 is 355042631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100861849 + 35378704 = 10043^2 + 5948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136240553 is a prime.

It is a super-2 number, since 2×136240553² = 37122976563491618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136240513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68120276 + 68120277.

It is an arithmetic number, because the mean of its divisors is an integer number (68120277).

Almost surely, 2^136240553 is an apocalyptic number.

It is an amenable number.

136240553 is a deficient number, since it is larger than the sum of its proper divisors (1).

136240553 is an equidigital number, since it uses as much as digits as its factorization.

136240553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 136240553 is about 11672.2128578946. The cubic root of 136240553 is about 514.5593402783.

The spelling of 136240553 in words is "one hundred thirty-six million, two hundred forty thousand, five hundred fifty-three".